{ "number": 826, "headline": "December 25, 2025 Merry Christmas", "standfirst": "Significant snowfall into early Saturday across Northeast", "desk": "winter", "dateline": { "place": "Weather Trader", "state": null, "lat": null, "lon": null, "site_key": null, "site_name": null, "site_url": null, "accent": null }, "edition": "2025-12-26", "published": "2025-12-26T03:18:36.753000Z", "updated": null, "access": "free", "body_html": "
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This is post number 826: Good Evening \u2014 Merry Christmas! 7-Days until 2026.

Author: Dr. Ryan Maue (X @RyanMaue X @weathertrader)

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Simulated Radar Next 48-hours into Saturday Evening 7 pm ET

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Headlines Thursday Evening

ECMWF 18z Precipitable Water Next 6-days

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  1. Powerful Gulf of Alaska low pressure will direct plume of moisture into Alaskan panhandle as high pressure takes over California into the weekend

  2. Friday storm system \u2014 part of a parade of low-pressure centers that rotate cyclonically around Quebec

Temperature Anomaly Next 6-days

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ECMWF 18z Precipitation Type and Intensity | Next 6-days

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Larger continental view \u2014> main storm track remains across Southern Canada \u2014 more so like Clipper systems but they have moisture from the Pacific atmospheric rivers for some precipitation (snow) across the Great Lakes (+Lake Effect) and the Northeast this weekend \u2026 but that might not be as substantial as previous thought.

West Coast cyclone \u2014 Next 48-hours

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Storm system makes landfall in North California while continuing to weaken

18z Analysis: West Coast cyclone \u2014 982 mb within the upper-level low

Eastern U.S. Storm Systems | Friday into Saturday

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Cold air behind this storm means any snow that fall should stick around all weekend, and melt later on Monday

Accumulated Snowfall by P-Type + Estimated Snowfall from SLR

All systems go for 6\u201d to 8\u201d of snowfall across New York City

Multiple Storm Systems next 6-days \u2014 but avoiding a major blizzard

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NWS Precipitation Next 72-hours

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Accumulated Ice Next 3-days

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NWS Snowfall Next 72-hours

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Snowfall returns to Colorado including Denver. Hooray, Roger!

7.4 inches in NYC | Forecast remarkably steady since yesterday

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RTMA | Current Temperature Analysis | 9:00 PM ET

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Average Lower 48 temperature was 47.0\u00b0F with 50 million below freezing.

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Temperature Anomaly | 9:00 PM ET

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Lower 48 Temperature Anomaly was scorching 12.8\u00b0F ABOVE normal

Friday Morning Low Temperatures

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93 million below freezing and a small area of subzero in New England

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Friday High Temperatures

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98 million at least 70\u00b0F \u2014> nationwide average of 55\u00b0F.

ECMWF 12z EPS | Temperature Anomaly | Next 15-days

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Alaska + Canadian Cold Pool drains ESE into the Midwest and Great Lakes next week and it seems the Lower 48 ridge will weaken \u2014 allowing a southward push of the \u201cpolar front\u201d

Blend of Models | 7 Days Precipitation Total

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Blend of Models | Total Snowfall Next 7-Days

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ECMWF AIFS-Single 18z | Height Anomaly (500 hPa) Next 10-days

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Major trough across Northeast for multiple days Wed-Friday of next week \u2014> much colder air.

ECMWF 18z | Snowfall | Next 6-days | Lower 48 and Europe

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ECMWF EPS 12z | Ensemble Median Snowfall Next 15-days

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Probability of 6-inches or more Snowfall in the next 15-days

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Temperature Anomaly | Next 15-days | ECMWF EPS 12z

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5-Day Chunk #1 | Temperature Anomaly | Dec 25 - Dec 29

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5-Day Chunk #2 | Temperature Anomaly | Dec 30 - Jan 3

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5-Day Chunk #3 | Temperature Anomaly | Jan 4 - Jan 8

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", "body_key": null, "teaser_html": "

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Powerful West Coast storm system battering California with rain/snow finally winding down Saturday

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